2141730291840 has 128 divisors (see below), whose sum is σ = 6889396852800. Its totient is φ = 565888315392.

The previous prime is 2141730291793. The next prime is 2141730291863. The reversal of 2141730291840 is 481920371412.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 2141730291792 and 2141730291801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4907622 + ... + 5326181.

Almost surely, 2^{2141730291840} is an apocalyptic number.

2141730291840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141730291840 is an abundant number, since it is smaller than the sum of its proper divisors (4747666560960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141730291840 is a wasteful number, since it uses less digits than its factorization.

2141730291840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10233934 (or 10233922 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 2141730291840 in words is "two trillion, one hundred forty-one billion, seven hundred thirty million, two hundred ninety-one thousand, eight hundred forty".